package top.kaoshanji.p2ch15c;

/**
 * 代码清单-p2ch15c-171页a：通用Receiver类
 * @author kaoshanji
 * ^_^
 * create time 2025/3/23 17:37
 */
public abstract class Receiver {

    // 抽象接收者，定义每个接收者都必须完成的业务
    public abstract void doSomething();

}
